Shape Detection: move {BarcodeDetectionImpl,TextDetectionImpl}.java to //services/shape_detection

chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
deleted file mode 100644
index 2f4fab05161550ec61a1e58f917225984669db9f..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
+++ /dev/null
@@ -1,132 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.shapedetection;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.util.SparseArray;
-
-import com.google.android.gms.vision.Frame;
-import com.google.android.gms.vision.text.TextBlock;
-import com.google.android.gms.vision.text.TextRecognizer;
-
-import org.chromium.base.Log;
-import org.chromium.chrome.browser.externalauth.ExternalAuthUtils;
-import org.chromium.chrome.browser.externalauth.UserRecoverableErrorHandler;
-import org.chromium.gfx.mojom.RectF;
-import org.chromium.mojo.system.MojoException;
-import org.chromium.mojo.system.SharedBufferHandle;
-import org.chromium.mojo.system.SharedBufferHandle.MapFlags;
-import org.chromium.services.service_manager.InterfaceFactory;
-import org.chromium.shape_detection.mojom.TextDetection;
-import org.chromium.shape_detection.mojom.TextDetectionResult;
-
-import java.nio.ByteBuffer;
-
-/**
- * Implementation of mojo TextDetection, using Google Play Services vision package.
- */
-public class TextDetectionImpl implements TextDetection {
-    private static final String TAG = "TextDetectionImpl";
-
-    private final Context mContext;
-    private TextRecognizer mTextRecognizer;
-
-    public TextDetectionImpl(Context context) {
-        mContext = context;
-        mTextRecognizer = new TextRecognizer.Builder(mContext).build();
-    }
-
-    @Override
-    public void detect(
-            SharedBufferHandle frameData, int width, int height, DetectResponse callback) {
-        if (!ExternalAuthUtils.getInstance().canUseGooglePlayServices(
-                    mContext, new UserRecoverableErrorHandler.Silent())) {
-            Log.e(TAG, "Google Play Services not available");
-            callback.call(new TextDetectionResult[0]);
-            return;
-        }
-        // The vision library will be downloaded the first time the API is used
-        // on the device; this happens "fast", but it might have not completed,
-        // bail in this case. Also, the API was disabled between and v.9.0 and
-        // v.9.2, see https://developers.google.com/android/guides/releases.
-        if (!mTextRecognizer.isOperational()) {
-            Log.e(TAG, "TextDetector is not operational");
-            callback.call(new TextDetectionResult[0]);
-            return;
-        }
-
-        final long numPixels = (long) width * height;
-        // TODO(xianglu): https://crbug.com/670028 homogeneize overflow checking.
-        if (!frameData.isValid() || width <= 0 || height <= 0 || numPixels > (Long.MAX_VALUE / 4)) {
-            callback.call(new TextDetectionResult[0]);
-            return;
-        }
-
-        // Mapping |frameData| will fail if the intended mapped size is larger
-        // than its actual capacity, which is limited by the appropriate
-        // mojo::edk::Configuration entry.
-        ByteBuffer imageBuffer = frameData.map(0, numPixels * 4, MapFlags.none());
-        if (imageBuffer.capacity() <= 0) {
-            callback.call(new TextDetectionResult[0]);
-            return;
-        }
-
-        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
-        bitmap.copyPixelsFromBuffer(imageBuffer);
-
-        Frame frame = null;
-        try {
-            // This constructor implies a pixel format conversion to YUV.
-            frame = new Frame.Builder().setBitmap(bitmap).build();
-        } catch (IllegalArgumentException | IllegalStateException ex) {
-            Log.e(TAG, "Frame.Builder().setBitmap() or build(): " + ex);
-            callback.call(new TextDetectionResult[0]);
-            return;
-        }
-
-        final SparseArray<TextBlock> textBlocks = mTextRecognizer.detect(frame);
-
-        TextDetectionResult[] detectedTextArray = new TextDetectionResult[textBlocks.size()];
-        for (int i = 0; i < textBlocks.size(); i++) {
-            detectedTextArray[i] = new TextDetectionResult();
-            detectedTextArray[i].rawValue = textBlocks.valueAt(i).getValue();
-            final Rect rect = textBlocks.valueAt(i).getBoundingBox();
-            detectedTextArray[i].boundingBox = new RectF();
-            detectedTextArray[i].boundingBox.x = rect.left;
-            detectedTextArray[i].boundingBox.y = rect.top;
-            detectedTextArray[i].boundingBox.width = rect.width();
-            detectedTextArray[i].boundingBox.height = rect.height();
-        }
-        callback.call(detectedTextArray);
-    }
-
-    @Override
-    public void close() {
-        mTextRecognizer.release();
-    }
-
-    @Override
-    public void onConnectionError(MojoException e) {
-        close();
-    }
-
-    /**
-     * A factory class to register TextDetection interface.
-     */
-    public static class Factory implements InterfaceFactory<TextDetection> {
-        private final Context mContext;
-
-        public Factory(Context context) {
-            mContext = context;
-        }
-
-        @Override
-        public TextDetection createImpl() {
-            return new TextDetectionImpl(mContext);
-        }
-    }
-}